#include<bits/stdc++.h>
using namespace std;
int n,x,ans,maxx;
int t[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&x);
        t[x]++;
        maxx=max(maxx,x);
    }
    for(int i=1;i<=maxx;i++)
        ans=max(ans,t[i]);
    printf("%d",ans);
    fclose(stdin);
    fclose(stdout);
    return 0;
}
